<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>主页</title>
</head>
<body>
   <h3>用户操作</h3>
<a href="del">删除</a>
<a href="upd">编辑</a>
<a href="add">添加</a>
<a href="sel">查看</a>
</body>
</html>